Populations of massive stars and the interstellar medium
Claus Leitherer.
Baltimore : Space Telescope Science Institute, 1997.
80 págs. : ilustraciones ; 28 cm.
Serie: Space Telescope Science Institute preprint series ; No. 1123
To be published in VIII Canary Islands Winter School for Astrophysics, La Laguna (Tenerife).
NBS course in Radio propagation, Summer 1961, Ionopheric propagation.